Notice of retraction
Vol. 32, No. 8(2), S&M2292

ISSN (print) 0914-4935
ISSN (online) 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
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Effect of Center of Mass on Vibration-sensing Technology for Diesel Engine

Jianbin Liao, HongLiang Yu, Yuchao Song, Xueping Guo and Chih-Cheng Chen

(Received July 20, 2020; Accepted November 16, 2020)

Keywords: diesel engine, isolation system, isolator, multibody dynamics

Different centers of mass (CMs) of a diesel engine were set to find their effects on the vertical vibration of an engine. To understand the effects and reduce vibration during sensing, we changed the location of the CM of the engine and performed a simulation to obtain data such as the vertical movements, velocity, torque, and acceleration of the vertical springs of isolators. The data showed that a 0.1 mm higher CM than the original CM of the engine reduced the amplitude of the vertical vibration by 4.35% and the velocity of the vertical vibration by 45.7% at a fixed rotation speed of the engine of 1000 revolutions per minute. Different CMs did not significantly affect the torque and acceleration. Instead, the phase of the vertical movements, the velocity, and the acceleration significantly changed with the CM in the simulation. The results imply that the CM needs to be considered in the design of the vibration isolation system of a diesel engine to increase the accuracy and lifetime of sensors used in vehicles under severe vibration conditions.

Corresponding author: HongLiang Yu, Chih-Cheng Chen

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